/Engine/Source/Runtime/Engine/Classes/Engine/StaticMesh.h
struct FBuildMeshDescriptionsLODParams
bool
bUseFullPrecisionUVs
If true, UVs will be stored at full floating point precision.
bool
bUseHighPrecisionTangentBasis
If true, Tangents will be stored at 16 bit vs 8 bit precision.